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Cisco 400-007 Practice Test - Questions Answers, Page 11

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Which mechanism provides Layer 2 fault isolation between data centers?

A.

fabric path

A.

fabric path

Answers
B.

OTL

B.

OTL

Answers
C.

advanced VPLS

C.

advanced VPLS

Answers
D.

LISP

D.

LISP

Answers
E.

TRILL

E.

TRILL

Answers
Suggested answer: B

You have been tasked with designing a data center interconnect to provide business continuity You want to encrypt the traffic over the DCI using IEEE 802 1AE MACsec to prevent the deployment of any firewall or IPS. Which two interconnect technologies support MACsec? (Choose two.)

A.

EoMPLS

A.

EoMPLS

Answers
B.

MPLS Layer 3 VPN

B.

MPLS Layer 3 VPN

Answers
C.

DMVPN

C.

DMVPN

Answers
D.

GET VPN

D.

GET VPN

Answers
E.

KVPLS

E.

KVPLS

Answers
Suggested answer: A, E

While reviewing an existing network design, you are discussing the characteristics of different STP versions. Which protocol minimizes unicast flooding during a Topology Change Notification in a Layer 2 switched network with many

VLANs?

A.

PVRSTP

A.

PVRSTP

Answers
B.

MST

B.

MST

Answers
C.

STP

C.

STP

Answers
D.

PVSTP+

D.

PVSTP+

Answers
Suggested answer: A

A network design includes a long signaling delay in notifying the Layer 3 control plane that an interface has failed Which two of these actions would reduce that delay? (Choose two.)

A.

Increase network stability.

A.

Increase network stability.

Answers
B.

Reduce the time for the network to reconverge.

B.

Reduce the time for the network to reconverge.

Answers
C.

Increase the notification of interface flaps.

C.

Increase the notification of interface flaps.

Answers
D.

Enable lower data link layer recovery systems to have an opportunity to restore the interface

D.

Enable lower data link layer recovery systems to have an opportunity to restore the interface

Answers
Suggested answer: B, D

Which two possible drawbacks should you consider when introducing Network Functions Virtualization in a network design? (Choose two)

A.

Bandwidth utilization increases

A.

Bandwidth utilization increases

Answers
B.

Traffic flows are suboptimal

B.

Traffic flows are suboptimal

Answers
C.

High-end routers are required to support NFV

C.

High-end routers are required to support NFV

Answers
D.

OpenFlow must be supported in the network

D.

OpenFlow must be supported in the network

Answers
E.

An SDN orchestration layer is required to support NFV

E.

An SDN orchestration layer is required to support NFV

Answers
Suggested answer: C, E

You are designing an Out of Band Cisco Network Admission Control. Layer 3 Real-IP Gateway deployment for a customer Which VLAN must be trunked back to the Clean Access Server from the access switch?

A.

authentication VLAN

A.

authentication VLAN

Answers
B.

user VLAN

B.

user VLAN

Answers
C.

untrusted VLAN

C.

untrusted VLAN

Answers
D.

management VLAN

D.

management VLAN

Answers
Suggested answer: D

A service provider hires you to design its new managed CE offering to meet these requirements

• The CEs cannot run a routing protocol with the PE

• Provide the ability for equal or unequal ingress load balancing in dual-homed CE scenarios.

• Provide support for IPv6 customer routes

• Scale up to 250.000 CE devices per customer.

• Provide low operational management to scale customer growth.

• Utilize low-end (inexpensive) routing platforms for CE functionality.

Which tunneling technology do you recommend?

A.

FlexVPN

A.

FlexVPN

Answers
B.

point-to-point GRE

B.

point-to-point GRE

Answers
C.

DMVPN

C.

DMVPN

Answers
D.

LISP

D.

LISP

Answers
Suggested answer: D

Which design principal improves network resiliency?

A.

Added load-balancing

A.

Added load-balancing

Answers
B.

Added redundancy

B.

Added redundancy

Answers
C.

Added confidentiality

C.

Added confidentiality

Answers
D.

Added reliability

D.

Added reliability

Answers
Suggested answer: B

When designing a WAN that will be carrying real-time traffic, what are two important reasons to consider serialization delay? (Choose two )

A.

Serialization delays are invariable because they depend only on the line rate of the interface

A.

Serialization delays are invariable because they depend only on the line rate of the interface

Answers
B.

Serialization delays are variable because they depend on the line rate of the interface and on the type of the packet being serialized.

B.

Serialization delays are variable because they depend on the line rate of the interface and on the type of the packet being serialized.

Answers
C.

Serialization delay is the time required to transmit the packet on the physical media.

C.

Serialization delay is the time required to transmit the packet on the physical media.

Answers
D.

Serialization delays are variable because they depend only on the size of the packet being serialized

D.

Serialization delays are variable because they depend only on the size of the packet being serialized

Answers
E.

Serialization delay depends not only on the line rate of the interface but also on the size of the packet

E.

Serialization delay depends not only on the line rate of the interface but also on the size of the packet

Answers
Suggested answer: B, D

Which two aspects are considered when designing a dual hub dual DMVPN cloud topology? (Choose two)

A.

will only work with single-tier headend architecture

A.

will only work with single-tier headend architecture

Answers
B.

hub sites must connect to both DMVPN clouds

B.

hub sites must connect to both DMVPN clouds

Answers
C.

recommended for high availability

C.

recommended for high availability

Answers
D.

spoke-to-spoke traffic will transit the hub unless spokes exchange dynamic routing directly

D.

spoke-to-spoke traffic will transit the hub unless spokes exchange dynamic routing directly

Answers
E.

requires all sites to have dual Internet connections

E.

requires all sites to have dual Internet connections

Answers
Suggested answer: A, C
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